Test Measurements - Klein + Hummel O 300 D Installation And Operation Manual

can be avoided simply by going over the cabinet
with a vacuum cleaner once it has been set in
place. The housing should be cleaned of dust
from time to time in like manner. If you plan on
taking your monitors from studio to studio, the
flocked finish is preferable since it wears well.
For non-mobile use, the enamel finish is

2. Test Measurements

The outstanding acoustic impression made by
the O 300 D is confirmed by measurements
Figure 4 Horizontal Dispersion Pattern
Figure 5 Vertical Dispersion Pattern
Page 8
preferred, as it won't be subject to any extreme
wear and tear. Take care when handling the
enamel - coated cabinet not to damage the finish.
To clean the cabinet, use a soft cloth with a mild
cleaning agent only. Under no circumstances
should you use alcohol - based or chemical
agents, nor any cleaners with abrasive action.
using today's most critical test methods. The test
plots shown here and on the next several pages
are but a small sampling of these measurements.
Active Studio Monitor O 300 D